A. coefficient of friction
B. angle of friction
C. angle of repose
D. sliding friction
E. friction resistance
A. considerably greater than that necessary to continue it
B. considerably lesser than that necessary to continue it
C. greater than that necessary to stop it
D. lesser than that necessary to stop it
E. equal to that necessary to stop it
A. ellipse
B. hyperbola
C. parabola
D. circle
E. none of the above
A. concurrence of the medians
B. intersection of its altitudes
C. intersection of bisector of angles
D. intersection of diagonals
E. all of the above
A. at distance — from the plane base 3r
B. at distance — from the plane base 3r
C. at distance — from the plane base 3r
D. at distance — from the plane base or
E. at distance — from the plane base
A. coplanar
B. meet at one point ;
C. both A. and B. above
D. all be equal
E. something else
A. limiting friction
B. sliding friction
C. rolling friction
D. kinematic friction
E. dynamic friction